Back in 1985, Casio brought the first graphing calculator, the fx-7000G, to market. A short couple years later, I started college headed towards an engineering degree, and picked one up.

Comparing Casio graphing calculators to Texas Instruments Graphing calculators are a mainstay of both high school and college-level math and science courses. Most of us have had, or will have ...

Casio has announced a new calculator called the fx-991EX that has a first for the industry, a spreadsheet function. The new calculator will launch in Q1 2015 and brings with it a high resolution LCD.

Even the makers of humble graphing calculators can't resist a scrap. Casio is now throwing down the gauntlet, announcing that its fx-CP400 will arrive shortly after rival TI's color-screened TI-84+.

Casio's original personal calculator debuted in 1972, and cost $59.95. It featured a six-digit display, was a quarter the size of its competitors, and cost just a third of rival products.